Mongil Codex · Slayer artifact · R
Heart-Piercing Blade
3-star R
Slayer- R
"I want to kill two birds with one stone." - A hunter who missed them both
Main effect
Activates as soon as the artifact is equipped — no reinforcement required.
Moderation Ⅰ
When equipped by an Assassin character, grants the following effect. Using a Special Skill increases ATK by 4.8%. (Cooldown: 0.2s, Duration: 10s).
Overlap effects
Reinforce past these milestones to unlock additional effects on top of the main effect — the artifact keeps every overlap it has earned.
When equipped by an Assassin character, grants the following effect. Using a Special Skill increases ATK by 4.8%. (Cooldown: 0.2s, Duration: 10s).
When equipped by an Assassin character, grants the following effect. Using a Special Skill increases ATK by 6.6%. (Cooldown: 0.2s, Duration: 10s).
When equipped by an Assassin character, grants the following effect. Using a Special Skill increases ATK by 7.2%. (Cooldown: 0.2s, Duration: 10s).
When equipped by an Assassin character, grants the following effect. Using a Special Skill increases ATK by 7.8%. (Cooldown: 0.2s, Duration: 10s).
When equipped by an Assassin character, grants the following effect. Using a Special Skill increases ATK by 9.6%. (Cooldown: 0.2s, Duration: 10s).
Stats
- ATK
Reinforcement
- Max level
- 60Lv.
- Total EXP
- 6,058,034EXP
- Total gold
- 120Gold
Comments
Guides
In-house guides re-tested every patch.
Guides and articles content remains in English.
Mongil: Star Dive — Beginner Guide
Adventure map, jumping, gathering and the first-week checklist — every core mechanic the in-game tutorial walks you through, written in one place.
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Reroll Guide — Best Targets and Stop Conditions
Best characters to chase on a fresh account, the fastest reroll path, and when the meta says you should stop and commit.
Best Team Comps — Destroyer, Slayer and Flex Slot
How team building actually works in Mongil — the Destroyer + Slayer + flex template the Stagger system rewards, when to break it for element-locked counters, and the Brawler-led sustained-DPS variant.
Combat Basics — Hold Attacks, Switch Skills, Ultimates
Basic attacks, special skills, switch skills and ultimate timing — the hold-input combat system explained without the in-game popup spam.
Frequently asked
- Who can equip Heart-Piercing Blade in Mongil: Star Dive?
- Heart-Piercing Blade is a Slayer artifact, so any Slayer character can equip it. The main effect activates whenever the artifact is equipped, regardless of reinforcement level.
- What does Heart-Piercing Blade's main effect do?
- Heart-Piercing Blade's main effect activates as soon as the artifact is equipped on a Slayer character — see the Main effect section above for the full breakdown. Overlap effects unlock as you reinforce the artifact past key milestones.
- How do I reinforce Heart-Piercing Blade?
- Feed Mana Cores at the reinforcement bench. Heart-Piercing Blade requires 6,058,034 total EXP to max out, with overlap effects unlocking at scheduled milestones.
- Is Heart-Piercing Blade worth pulling in the current patch?
- R artifacts like Heart-Piercing Blade carry the ceiling for Slayer damage and survivability. Compare its main effect against your roster's needs before spending pulls.
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